Lawn Booster: Extreme Growth Booster Seeding Fertilizer (2.5 Gallon)Start your lawn off right with Growth Booster, a high phosphorus fertilizer! Growth Booster lawn fertilizer contains the essential macronutrients to help get your new lawn established into a thicker, fuller, envy worthy lawn! This starter fertilizer is great for seeding and establishing brand new sod, as its star ingredient is Phosphorus, which is essential for strong plants and roots. Use this liquid lawn fertilizer with humic acid to establish a new